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Which of the following diatomic molecules would be stabilised by the removal of an electron?
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Important Questions on Chemical Bonding and Molecular Structure
EASY
Which of the following is paramagnetic?
HARD
Decreasing order of stability of and is:
MEDIUM
Consider the following species:
(i)
(ii)
(iii)
Among the following, sigma bond alone is present in -
HARD
In which of the following processes, the bond order has increased and paramagnetic character has changed to diamagnetic?
EASY
Which one of the following molecules is expected to exhibit paramagnetic behaviour?
EASY
Which one of the following pairs of species has the same bond order?
EASY
The diamagnetic species is:
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According to molecular orbital theory, which of the following molecule will not be available?
EASY
Stability of the species increases in the order of
HARD
According to Molecular Orbital Theory,
MEDIUM
Which one of the following properties is not shown by NO ?
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In which of the following pairs of molecules/ions, both the species are not likely to exist?
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Which of the following has unpaired electron(s)?
EASY
After understanding the assertion and reason, choose the correct option.
Assertion: In the bonding molecular orbital (MO) of electron density is increased between the nuclei.
Reason: The bonding MO is , which shows destructive interference of the combining electron waves.
MEDIUM
Which one of the following molecules is paramagnetic?
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The colour of the molecules of group 17 elements changes gradually from yellow to violet down the group. This is due to -
HARD
Assuming mixing is NOT operative, the paramagnetic species among the following is
EASY
Which of the following species is not paramagnetic?
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The correct bond order in the following species is:
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Two pi and half sigma bonds are present in:
